This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Add tests that backtrace and backtrace_symbols produce correctresults


From: Andreas Schwab <schwab@linux-m68k.org>
Date: Sun, 20 Jan 2013 00:26:51 +0100

> You cannot expect reliable backtrace through a signal trampoline without
> unwind information.

It would be simple to add a signal frame sniffer to the
non-unwind-information paths of the x86 backtrace code.

Both the unwinder in libgcc and gdb can do this, glibc
thus can too.

I plan to add such code to the space backtracer.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]